Definition: In this task, you are given an input list A. You need to extract and sort the unique digits used in the list in ascending order. Return -1 if there is no digit in the list.
Input: ['277', 'd', 'z', 'y', '13', '457', '459', 't', 'u', 's']

1, 2, 3, 4, 5, 7, 9